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What causes painful raw blisters on my dog's nose and upper lip?

Updated on September 23rd, 2025

Pet's info: Dog | Cairn Terrier | Male | neutered | 8 years old | 10 lbs

What causes multiple raw blisters around the bottom of a dogs nose and upper lip? It's very painful to the touch. He's an 8 year old cairn terrier.

1 Answer

Most Helpful Answer

Daniel Fonza, DVM

Answered By Daniel Fonza, DVM

Veterinarian

Published on December 15th, 2017

Hi there and thank you for using pet coach to address your concern. Based on your photos, I would suspect this to be some sort of irritation or immune mediated disease such as discoid lupus erythematosus. If this does not improve on its own, I would recommend having a veterinarian examine the area so that the most appropriate treatment recommendations can be made. I hope this helps! Please let me know if you have any other questions or concerns.
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